Chair



FIG. 1 is a perspective view of a chair showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a side elevational view thereof;

FIG. 5 is a bottom view thereof; and

FIG. 6 is a plan view thereof. 

The ornamental design for a chair, substantially as shown and described. 